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Heart|Lab Grown|IGI

1.00ct E FL Heart Lab Grown Diamond

ID • E/FL • IGI LG836621580

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG836621580

Diamond specifications and retailer prices

From HK$2,118 HKD
$270 USD
As of October 30, 2026
Save HK$12,632 HKD (86%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$14,750 HKD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1ct lab-grown heart diamond

This 1ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836621580 or 836621580. Listed at 19 retailers as of October 30, 2026, with prices from HK$2,118 to HK$14,750, a HK$12,632 spread on the same certified stone. Brilliant Earth lists it at HK$14,750. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.8°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836621580
Dimensions6.21 × 6.77 × 4.04 mm
L/W Ratio1.09
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.21 mm6.77 mm1.00 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836621580
Side View
Table 61.0%Crown 39.8°Girdle: STK-THKPavilion 39.2°Culet: NoneDepth 59.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: HK$14,750 HKD|Low: HK$2,401 HKD|High: HK$17,182 HKD|Avg: HK$7,012 HKD|-14.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 30, 2026
Retailer 3HK$2,401 HKD
Retailer 2HK$2,781 HKD
Retailer 11HK$3,884 HKD
Retailer 8HK$4,284 HKD
Retailer 5HK$4,354 HKD
Retailer 10HK$4,506 HKD
Retailer 4HK$4,519 HKD
Retailer 7HK$4,595 HKD
Retailer 12HK$6,669 HKD
Retailer 6HK$7,791 HKD
Retailer 14HK$8,830 HKD
Retailer 13HK$10,419 HKD
Retailer 9HK$10,562 HKD
Brilliant EarthHK$14,750 HKD

34 data points across 14 retailers

19 retailersHK$2,118 HKD to HK$14,750 HKD

A
Cheapest Retailer
-
HK$2,118 HKD
$270 USD
A
Retailer 2
-
HK$2,401 HKD
$306 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,456 HKD
$313 USD
View
A
Retailer 4
-
HK$2,620 HKD
$334 USD
View
A
Retailer 5
-
HK$2,620 HKD
$334 USD
View
A
Retailer 6
-
HK$2,781 HKD
£279 GBP
View
A
Retailer 7
-
HK$3,884 HKD
$495 USD
View
A
Retailer 8
-
HK$4,284 HKD
€520 EUR
View
B+
Retailer 9
-
HK$4,354 HKD
$555 USD
View
B+
Retailer 10
-
HK$4,506 HKD
ZAR 9,278 ZAR
View
B+
Retailer 11
-
HK$4,519 HKD
$576 USD
View
B+
Retailer 12
-
HK$4,595 HKD
£461 GBP
View
B+
Retailer 13
-
HK$6,669 HKD
$850 USD
View
B
Retailer 14
-
HK$7,791 HKD
SGD 1,342 SGD
View
B+
Retailer 15
-
HK$8,426 HKD
$1,074 USD
View
B
Retailer 16
-
HK$8,830 HKD
$1,125 USD
View
B
Retailer 17
-
HK$10,419 HKD
$1,328 USD
View
B
Retailer 18
-
HK$10,562 HKD
£1,060 GBP
View
Most Expensive
B
Brilliant Earth
21590127A · Oct 30
HK$14,750 HKD
$1,880 USD
View
18 more retailers have this diamond
Prices start from HK$2,118 HKDSave up to HK$12,632 HKD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.00ct Heart
HK$2,118 HKD